javax.persistence.BooleanToStringYNConverter Maven / Gradle / Ivy

package javax.persistence;

@Converter
public class BooleanToStringYNConverter implements AttributeConverter {
  public static final AttributeConverter INSTANCE = new BooleanToStringYNConverter();

  private final boolean nullable;

  public BooleanToStringYNConverter() {
    this(true);
  }

  public BooleanToStringYNConverter(boolean nullable) {
    this.nullable = nullable;
  }

  @Override
  public String convertToDatabaseColumn(Boolean attribute) {
    if (attribute == null) {
      return this.nullable ? null : "N";
    }
    return attribute ? "Y" : "N";
  }

  @Override
  public Boolean convertToEntityAttribute(String dbData) {
    if (dbData == null) {
      return this.nullable ? null : false;
    }
    return "Y".equalsIgnoreCase(dbData) ? true : false;
  }
}